content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2013, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates. 
   * Other names may be trademarks of their respective owners.]
   *
   * -------------------------------------
   * PieDatasetSelectionExtensionTest.java
   * -------------------------------------
   * (C) Copyright 2013, by Object Refinery Limited and Contributors.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 18-Sep-2013 : Version 1 (DG);
   *
   */
  
  package org.jfree.data.extension;
  
  import org.jfree.data.UnknownKeyException;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  
  import org.jfree.data.extension.impl.PieCursor;
  import org.jfree.data.extension.impl.PieDatasetSelectionExtension;
  import org.jfree.data.general.DefaultPieDataset;
  import static org.junit.Assert.fail;
  import org.junit.Test;
  
  /**
   * Some tests for the {@link PieDatasetSelectionExtension} class.
   */
  public class PieDatasetSelectionExtensionTest {
  
      @Test
      public void testGeneral() {
          DefaultPieDataset dataset = new DefaultPieDataset();
          dataset.setValue("A", 1.0);
          dataset.setValue("B", 2.0);
          dataset.setValue("C", 3.0);
          PieDatasetSelectionExtension<String> ext = new 
                  PieDatasetSelectionExtension<String>(dataset);
          PieCursor cursor = new PieCursor("B");
          assertFalse(ext.isSelected(cursor));
          ext.setSelected(cursor, true);
          assertTrue(ext.isSelected(cursor));
          cursor.setPosition("A");
          assertFalse(ext.isSelected(cursor));
          dataset.remove("B");
          assertFalse(ext.isSelected(cursor));
          cursor.setPosition("B");
          // fetching the value for a key that does not exist
          try {
              ext.isSelected(cursor);
              fail("Expected an UnknownKeyException.");
          } catch (UnknownKeyException e) {
              // expected in this case
          }
      }
  
  }